化工过程多回路PID控制系统模式切换参数自整定

王建松,许锋,罗雄麟

Controller parameter self-tuning when control loop mode switching for multi-loop PID control system of chemical process

Jiansong WANG,Feng XU,Xionglin LUO

表1 控制回路u2-y2模式切换时控制器参数及Gershgorin圆边界点校正前后数据

Table 1 Control loop u2-y2 mode switching controller parameters and Gershgorin circle before and after correction

控制器参数 列Gershgorin圆边界点 校正前 校正后 校正前 校正后 c1=(0.3, 0.01, 0.3) c1=(0.2037, 0.0068, 0.2037) h1,-1'= -1.1780 h1,-1'= -0.8 c2=(0.5, 0.03, 0.3) c2=(0.5, 0.03, 0.3) h2,-1'= -0.8685 h2,-1'= -0.8685